20170450120

素因数分解:

$2^3\times 5^1\times {\mathrm{504261253}}^1$

素因数の和:504261264

約数の個数: 16

約数和(自身を含む): 45383512860

約数和(自身を除く): 25213062740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504261253, 1008522506, 2017045012, 2521306265, 4034090024, 5042612530, 10085225060, 20170450120]

約数ペア:

[(1, 20170450120), (2, 10085225060), (4, 5042612530), (5, 4034090024), (8, 2521306265), (10, 2017045012), (20, 1008522506), (40, 504261253)]